Oil & Gas Companies in Wyoming

Company NameCompany LocationCompany TypeMost Recent Production
1001S & J Operating CompanyWichita Falls, TX 76301Oil & Gas OperatorMar 2015
1002Saba Energy Of Texas IncHouston, TX 77042Oil & Gas OperatorJul 2007
1003Sabine CorporationOklahoma City, OK 73116Oil & Gas OperatorJul 1996
1004Sabine Oil & Gas CorporationHouston, TX 77002Oil & Gas OperatorDec 2025
1005Saga Petroleum LLC Of ColoradoNorman, OK 73072Oil & Gas OperatorJul 2026
1006Sage Butte PRB Operating, LLCDenver, CO 80202Oil & Gas OperatorMay 2026
1007Sage Petroleum LLCCasper, WY 82601Oil OperatorJun 2008
1008Salt Creek Operating LLCFT Morgan, CO 80701Oil & Gas OperatorMar 2020
1009Salt Creek West PartnersOil OperatorJul 1995
1010Samedan Oil CorporationHouston, TX 77067Oil & Gas OperatorDec 2019
1011Samson Exploration LLCTulsa, OK 74101Oil & Gas OperatorMay 2026
1012Samson Oil & Gas USA IncDenver, CO 80202Oil & Gas OperatorMay 2026
1013Samson Resources Company LLCDenver, CO 80202Oil & Gas OperatorFeb 2021
1014San Marco Petroleum IncDenver, CO 80293Oil & Gas OperatorApr 2026
1015Sanchez-O'BrienOil & Gas OperatorDec 1984
1016Sands Oil Company IncBillings, MT 59103Oil & Gas OperatorMay 2026
1017Sands-American CorpOil & Gas OperatorJan 1990
1018Santa Rosa Petroleum LLCRecluse, WY 82725Oil & Gas OperatorApr 2026
1019Sauer Bill Oil & Gas Company LLCCasper, WY 82604Oil & Gas OperatorJun 1999
1020Saxon Oil CompanyDallas, TX 75204Oil & Gas OperatorOct 2009
1021Sayers Operating CompanyMidland, TX 79705Oil & Gas OperatorFeb 2005
1022Scana Petroleum Resources IncHouston, TX 77002Oil & Gas OperatorJun 2013
1023Scarlett Energy Enterprises LLCWatchung, NJ 07069Oil & Gas OperatorOct 2014
1024Sceptre Resources IncOil & Gas OperatorDec 2007
1025Schiff & Jackson Oil ProducersDallas, TX 75206Oil & Gas OperatorApr 2026
1026Schlaikjer A LOil OperatorFeb 1997
1027Schmid Properties, Inc.Hico, TX 76457Oil & Gas OperatorJul 2026
1028Schneider Oil CorporationBroomfield, CO 80020Oil & Gas OperatorAug 2009
1029Seagull Energy E & P IncHouston, TX 77002Oil & Gas OperatorJan 2015
1030Seahawk Oil International IncNewport Beach, CA 92660Oil & Gas OperatorOct 1997
1031Seedy Draw LLCGreenwood VIllage, CO 80111Oil OperatorMar 2026
1032Seer Operating LLCSheridan, WY 82801Oil & Gas OperatorOct 2016
1033Seguro Oil & Gas IncOil OperatorJul 1992
1034Sendero Resources LLCDenver, CO 80202Oil & Gas OperatorMay 2026
1035Seven Sisters Oil & Gas LLCCasper, WY 82602Oil & Gas OperatorJan 2022
1036Shar Alan Oil CompanyOil & Gas OperatorOct 2005
1037Sharkey Well Service IncOil OperatorDec 2023
1038Sharples Phillip T TrustDenver, CO 80264Oil & Gas OperatorNov 2020
1039ShelcoMaysville, MO 64469Oil & Gas OperatorMay 2021
1040Shell Rocky Mountain Production LLCPinedale, WY 82941Oil & Gas OperatorDec 2008
1041Shenandoah Energy IncDenver, CO 80265-1050Oil & Gas OperatorDec 2014
1042Shenandoah Oil CorporationOil & Gas OperatorJun 1979
1043Sheridan Production Company, LLCHouston, TX 77056Oil & Gas OperatorApr 2026
1044Siegfried R H IncTulsa, OK 74104Oil & Gas OperatorMar 2008
1045Sierra Trading CorporationOil & Gas OperatorSep 1978
1046Signal Hill Company LLCCody, WY 82414Oil & Gas OperatorDec 2024
1047Signal Hill Operating LLCOil & Gas OperatorJun 2026
1048Silverado Oil IncGreeley, CO 80631Oil OperatorApr 2000
1049Simasko Production CoDenver, CO 80204Oil & Gas OperatorNov 1997
1050Simon Oil LLCKaycee, WY 82639Oil OperatorMar 2026
1051Simray Production Company LPRichland, TX 75080Oil & Gas OperatorDec 2010
1052Six Bar Oil LLCPine Haven, WY 82721Oil & Gas OperatorMay 2026
1053Skidgel Enterprises IncRawlins, WY 82301Oil & Gas OperatorSep 2018
1054Skinner CorporationOil OperatorApr 1985
1055Skinner Oil & Gas LLCGillette, WY 82717Oil & Gas OperatorJan 2024
1056Skinner'S Resources & Expl IncOil & Gas OperatorJun 2007
1057Sklar Exploration Company LLCShreveport, LA 71101Oil & Gas OperatorJul 2026
1058Skull Creek A LLCDouglas, WY 82633Oil & Gas OperatorFeb 2026
1059Skyline Oil CompanySalt Lake City, UT 84111Oil & Gas OperatorJan 1987
1060Slaughter J M Oil CompanyFort Worth, TX 76116Oil & Gas OperatorJan 2001
1061Slawson Exploration Company IncOklahoma City, OK 73102Oil & Gas OperatorJul 2026
1062SM Energy CompanyMidland, TX 79707Oil & Gas OperatorJul 2026
1063Smith AlDuncan, OK 73534-0037Oil OperatorDec 1998
1064Smith Conley P Operating CoEglewood, CO 80112-3640Oil & Gas OperatorJun 2000
1065Smith KevinThermopolis, WY 82443Oil OperatorSep 2024
1066Smith Red Plains Production LLCOil & Gas OperatorJun 2026
1067Smokey Oil Company IncCasper, WY 82601Oil & Gas OperatorDec 1996
1068Snowy Owl LLCGillette, WY 82717Oil & Gas OperatorMay 2026
1069Snyder Oil CorporationHouston, TX 77024Oil & Gas OperatorMar 2008
1070Sois-Osage IncOil & Gas OperatorOct 2006
1071Solar Petroleum IncOil OperatorMay 1983
1072Sonat Exploration Co.Houston, TX 77251Oil & Gas OperatorDec 2021
1073Sonoma Energy CorporationPark City, UT 84068Oil & Gas OperatorFeb 2010
1074Sonterra Energy LLCWichita, KS 67226Oil & Gas OperatorJul 2022
1075Sooner Operating Co IncCasper, WY 83602Oil OperatorJun 2026
1076South Coast Oil CorporationBoulder, CO 80302Oil & Gas OperatorOct 2015
1077South Pass Petroleum IncCasper, WY 82601Oil & Gas OperatorMay 2026
1078Southern Mineral CorporationHouston, TX 77002Oil & Gas OperatorOct 2001
1079Southern States Petroleum CorpOil OperatorJan 1984
1080Southern Union ExplorationOil OperatorJan 1990
1081Southland Royalty CompanyHouston, TX 77210Oil & Gas OperatorSep 2011
1082Southland Royalty Company LLCFort Worth, TX 76102Oil & Gas OperatorJul 2021
1083Southport Exploration IncTulsa, OK 74103-4015Oil & Gas OperatorNov 1998
1084Southwestern Energy Prod CoHouston, TX 77032Oil & Gas OperatorJun 2015
1085Southwestern Production CorporationLakewood, CO 80228Oil & Gas OperatorMay 2026
1086Spellbound Energy LLCDenver, CO 80202Oil & Gas OperatorApr 2026
1087Spirit Energy IncEdmond, OK 73034Oil & Gas OperatorApr 1999
1088Spring Valley Development Co LLCCentennial, CO 80014Oil & Gas OperatorJan 2026
1089St Michael ExplorationOil & Gas OperatorJun 1987
1090St Oil CompanyDenver, CO 80264-2101Oil & Gas OperatorDec 2010
1091St. Mary Operating CompanyDenver, CO 80203Oil & Gas OperatorMar 2019
1092Stag Oil Producers IncMidland, TX 79701Oil & Gas OperatorJan 1998
1093Stanco Petroleum IncKimball, NE 69145Oil & Gas OperatorJul 1999
1094Star Oil Operating Company, LLCBowling Green, KY 42101Oil & Gas OperatorJun 2026
1095Star Resources LLCEnglewood, CO 80155-5185Oil & Gas OperatorDec 2013
1096States Exploration IncOil OperatorJul 1985
1097Statex Petroleum IncDallas, TX 75229Oil & Gas OperatorDec 2000
1098Stealth Energy IncBillings, MT 59101Oil OperatorDec 2011
1099Stealth Energy USA IncBillings, MT 59104Oil OperatorDec 2017
1100Steamboat Oil And Gas LLCGillette, WY 82717Oil OperatorJun 2026